©2003 Fairchild Semiconductor Corporation Rev. A1, June 2003
BF245A/ B F 2 4 5 B/BF245C
Absolute Maximum Ratings
Ta=25°C unless otherwise notedElectrical Characteristics
Ta=25°C unless otherwise notedSymbol Parameter Value Units
VDG Drain-Gate Voltage 30 V
VGS Gate-Source Voltage -30 V
IGF Forward Gate Current 10 mA
PD Total Device Dissipation @TA=25°C Derate above 25°C
350 2.8
mW mW/°C TJ, TSTG Operating and Storage Junction Temperature Range - 55 ~ 150 °C
Symbol Parameter Test Condition Min. Max. Units
Off Characteristics
V(BR)GSS Gate-Source Breakdown Voltage VDS = 0, IG = 1µA -30 V VGS Gate-Source BF245A
BF245B BF245C
VDS = 15V, ID = 200µA -0.4 -1.6 -3.2
-2.2 -3.8 -7.5
V
VGS(off) Gate-Source Cut-off Voltage VDS = 15V, ID = 10nA -0.5 -8 V
IGSS Gate Reverse Current VGS = -20V, VGS = 0 -5 nA
On Characteristics
IDSS Zero-Gate Voltage Drain Current BF245A BF245B BF245C
VGS = 15V, VGS = 0 2 6 12
6.5 15 25
mA
On Characteristics
gfs Common Source Forward Transconductance
VGS = 15V, VGS = 0, f = 1KHz 3 6.5 mmhos
BF245A/BF245B/BF245C
N-Channel Amplifiers
• This device is designed for VHF/UHF amplifiers.
• Sourced from process 50.
1. Gate 2. Source 3. Drain TO-92 1
©2003 Fairchild Semiconductor Corporation Rev. A1, June 2003
BF245A/ B F 2 4 5 B/BF245C
Package Dimensions
Dimensions in Millimeters 0.46 ±0.10
1.27TYP
(R2.29)
3.86MAX
[1.27 ±0.20]
1.27TYP [1.27 ±0.20]
3.60 ±0.20
14.47 ±0.40
1.02 ±0.10 (0.25)4.58 ±0.20
4.58+0.25–0.15
0.38+0.10–0.05
0.38+0.10 –0.05
TO-92
©2003 Fairchild Semiconductor Corporation Rev. I2
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